Cumulative Record. Chapter 50: Some Responses to the Stimulus “Pavlov”. Quote 18 Post author:B. F. Skinner Foundation Post published:July 3, 2024 Post category:Skinner's Quote of the Day Facts and formulations of facts change as science progresses. The experimental spirit and the integrity of the scientist do not change. (p. 652) You Might Also Like Cumulative Record: Definitive Edition (1999). Chapter 5: “Man”. Quote 8 April 15, 2021 Recent Issues. Chapter 8: The School of the Future. Quote 8 February 21, 2019 Cumulative Record. Chapter 24: The Flight from the Laboratory. Quote 6 July 27, 2023